4a-5-2a+7-1=

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Solution for 4a-5-2a+7-1= equation:


Simplifying
4a + -5 + -2a + 7 + -1 = 0

Reorder the terms:
-5 + 7 + -1 + 4a + -2a = 0

Combine like terms: -5 + 7 = 2
2 + -1 + 4a + -2a = 0

Combine like terms: 2 + -1 = 1
1 + 4a + -2a = 0

Combine like terms: 4a + -2a = 2a
1 + 2a = 0

Solving
1 + 2a = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 2a = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2a = 0 + -1
2a = 0 + -1

Combine like terms: 0 + -1 = -1
2a = -1

Divide each side by '2'.
a = -0.5

Simplifying
a = -0.5

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